According to sports form : difficult and easy level , dynamics , sports and the anatomy , malfunction and contact notand contacts etc.
其中主要是根据不同的运动形式,如:难易程度、动力学、解剖学、错误动作、接触与非接触等分类,改变传统分段教学中存在的弊端,为体育教学改革注入新的活力。
Algorithm and Rationality Evaluation of Automation Generating Paper Difficulty
自动组卷难易度合理评估的算法设计
The Effects of Task Complexity and Task Difficulty on Learners EFL Writing Production;
任务复杂度与任务难易度对学习者英语写作产出的影响
Lexical Density and Text Difficulty--A Comparative Study of Scientific Papers and Abstracts;
词汇密度与难易度感知——科学论文及其摘要的对比研究
Conductivity Type- The type of charge carriers in a wafer, such as“ N-type” and“ P-type”.
传导性（学方面）-一种关于载流子通过物质难易度的测量指标。
He took every oBstacle in his stride.
他轻易地度过一切难关。
The texts should be graded in order of difficulty.
课文要按难易程度编排。
The four sections are presented in order of difficulty.
为显示难度，这四个部分按难易程度排列的。
Installation ease How difficult is conversion and installation?
易安装性升级或者安装的难度如何？
Annie: It is not ordinarily difficult. It is very difficult.
安妮：这还不是一般的不容易，而是难度很大。
The ease with which maintenance of a functional ?unit? can is performed in accordance with prescribed requirements.
使功能部件能按规定要求完成维修的难易程度。
dense or inadequately leavened and hence likely to cause distress in the alimentary canal.
过度发酵或者发酵不足，从而容易引起消化困难。
The tests in this book are arranged in order of difficulty.
这本书的试题是按难易程度顺序排列的。
A Comparative Study on the Level of Items in Putonghua Proficiency Test For Normal University Students;
师范生普通话水平测试项难易程度比较研究
Financial Difficulties of Chinese Small & Medium - sized Enterprises From the Perspective of Transaction Cost;
从交易成本角度看我国中小企业融资难的问题
A Fuzzy Difficulty Evaluation Method of Librarians Examination Questions
图书馆业务考核题目难易程度的模糊评价方法
Research on Suppliers' Production Strategy Considering the Difficulties of Spot Market Transaction
考虑现货市场交易难度的供应商产能策略研究
a friend is easier lost than found.
失友容易，交友难。
Horses are easy to tame but tigers are hard to tame.
驯马容易，驯虎难。